[downloads] Move platform specific code out of DownloadTargetDeterminer.

chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_DOWNLOAD_CHROME_DUPLICATE_DOWNLOAD_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_ANDROID_DOWNLOAD_CHROME_DUPLICATE_DOWNLOAD_INFOBAR_DELEGATE_H_
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
@@ skipping 11 matching lines @@
 class ChromeDuplicateDownloadInfoBarDelegate
     : public DuplicateDownloadInfoBarDelegate,
       public content::DownloadItem::Observer {
  public:
   ~ChromeDuplicateDownloadInfoBarDelegate() override;
 
   static void Create(
       InfoBarService* infobar_service,
       content::DownloadItem* download_item,
       const base::FilePath& file_path,
-      const DownloadTargetDeterminerDelegate::FileSelectedCallback&
+      const DownloadTargetDeterminerDelegate::ConfirmationCallback&
           file_selected_callback);
 
   // content::DownloadItem::Observer
   void OnDownloadDestroyed(content::DownloadItem* download_item) override;
 
  private:
   ChromeDuplicateDownloadInfoBarDelegate(
       content::DownloadItem* download_item,
       const base::FilePath& file_path,
-      const DownloadTargetDeterminerDelegate::FileSelectedCallback& callback);
+      const DownloadTargetDeterminerDelegate::ConfirmationCallback& callback);
 
   // DownloadOverwriteInfoBarDelegate:
   infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
   bool Accept() override;
   bool Cancel() override;
   std::string GetFilePath() const override;
   void InfoBarDismissed() override;
   bool IsOffTheRecord() const override;
 
 
   // The download item that is requesting the infobar. Could get deleted while
   // the infobar is showing.
   content::DownloadItem* download_item_;
 
   // The target file path to be downloaded. This is used to show users the
   // file name that will be used.
   base::FilePath file_path_;
 
   // Whether the download is off the record.
   bool is_off_the_record_;
 
   // A callback to download target determiner to notify that file selection
   // is made (or cancelled).
-  DownloadTargetDeterminerDelegate::FileSelectedCallback
+  DownloadTargetDeterminerDelegate::ConfirmationCallback
       file_selected_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDuplicateDownloadInfoBarDelegate);
 };
 
 }  // namespace android
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_ANDROID_DOWNLOAD_CHROME_DUPLICATE_DOWNLOAD_INFOBAR_DELEGATE_H_